下列哪种疾病可引起胆汁淤积性黄疸（）
A.中毒性肝炎
B.病毒性肝炎
C.钩端螺旋体病
D.毛细胆管型病毒性肝炎
E.遗传性球形红细胞增多症
参考答案：D
Harrison Ford is thought to be one of the few movie stars as a carpenter before.[ ]
A. to work
B. to be working
C. to have worked
D. to have been working
电功率的单位是( )。
A．
B．瓦特(w)
C．欧姆(Q)
D．伏特(V)
